Tonto Hills Dwid
EPA ID: AZ0407076 · 350 people served · 2 ZIP codes
EPA data: Tonto Hills Dwid — zero violations, five years, 350 served.
Data: EPA SDWIS Last verified: 2026-04-02
Service Area Map
Coverage area for Tonto Hills Dwid Source: EPA SDWIS service area boundaries.
Service area boundary
Service Area Demographics
The Tonto Hills Dwid serves a community with a median household income of $123,710 and an estimated 31,866 residents across its service area.
🌊 Where Does Your Water Come From?
Tonto Hills Dwid's water is drawn from rivers, lakes, or reservoirs. Surface water sources are more exposed to agricultural runoff, stormwater, and upstream discharges, but they typically receive more intensive treatment before reaching your tap.
About 1% of homes in Maricopa County, Arizona rely on private wells rather than public water systems. Private well owners are responsible for their own water testing and treatment.
Infrastructure Risk
PFAS Detected in Service Area
PFAS ("forever chemicals") have been detected in water serving this system's area. 2 detections recorded.
Comparable Water Systems
Similar-sized systems in Arizona
Estimated Remediation Costs
Average estimated costs across ZIP codes served by this system
Based on national averages for common remediation projects. Actual costs vary by property. Only issues flagged by EPA, FEMA, or state data for each ZIP code are included.
System Overview
Tonto Hills Dwid (EPA ID: AZ0407076) is a community water system in Arizona that serves approximately 350 people from surface water sources.
This system provides water to 2 ZIP codes across 1 community.
Violation History
Lead & Copper
No Lead and Copper Rule sampling data available for this water system.
Need help with your water quality?
Typical cost: Water test: typically $20–$50 (DIY kit) · Professional inspection: $150–$400
Find the Right Water FilterFree tip: Let cold water run for 2 minutes before drinking — this helps flush lead from your pipes.
ZIP Codes Served
Data Sources
This report uses public data from the EPA Safe Drinking Water Information System (SDWIS). View the full compliance record for Tonto Hills Dwid (AZ0407076) on EPA.gov.
Frequently Asked Questions
Is Tonto Hills Dwid water safe to drink?
Based on EPA records, Tonto Hills Dwid has no recorded violations in the past 5 years — a positive indicator of water quality management.
How many people does Tonto Hills Dwid serve?
Tonto Hills Dwid serves approximately 350 people across 2 ZIP codes in Arizona.
Where does Tonto Hills Dwid get its water?
The primary water source is surface water.
Lead Service Line Inventory
Service line breakdown reported under the federal Lead and Copper Rule Improvements (LCRI) inventory requirement:
This system reports zero confirmed lead service lines in its inventory. Unknown-material counts may still warrant verification.
Federal LCRI rule (effective October 2024) requires every public water system to inventory its service lines and complete lead-line replacement within 10 years.
Source: EPA SDWIS Federal Service Line Inventory (Phase 2) · Submitted 2026
ZipCheckup is not affiliated with the utility or state agency. Inventory figures render verbatim from the public LCRI submission cited above; ZipCheckup does not perform inspections or replacements.